title: QRS duration in patients hospitalized for worsening heart failure.
authors.forename: Abdul
authors.initials: A
authors.lastname: Hakeem
authors.forename: Sabha
authors.initials: S
authors.lastname: Bhatti
authors.forename: Zainab
authors.initials: Z
authors.lastname: Samad
mesh_terms: D001145:Arrhythmias, Cardiac; D004562:Electrocardiography; D006333:Heart Failure / Q000503:physiopathology* / Q000628:therapy; D006339:Heart Rate; D006760:Hospitalization; D006801:Humans; D011379:Prognosis